are telling us the former positions of government troops used to occupy. since the free syrian army moved into this area, government forces have pulled further and closer in to the facility itself. this man was recently captured by the rebels. he says he lead a unit whose job was to patrol part of the armor. positioned on the hilltops. he agreed to be interviewed if we disguised his identity and his voice. he says that soldiers like him were constantly searched. their calls monitored. forbidden from seeing people who entered the main building. they arrived escorted by armed guards concealed from sight. it was even forbidden for us to ask about it. if we did, we were punished, he tells us. they were under orders to shoot to kill anyone who approached, even a civilian within 300 meters. he says that around five months ago regular employees stopped arriving. and what i overheard is that those who were allowed to leave were syrians and those inside were foreigners. we found large quantities of food still being delivered, he says. defectors have previously said